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I replaced my magnet/tone wheel on my Benz and that involved unclipping two sensors and moving them out of the way. When I plugged everything back in, I have check engine code P2540. I checked everything twice and can’t seem to find the problem. Everything is plugged back in snug. I’ll include a picture of the area I was working on. Could somebody point out which of these sensors is the low pressure fuel system sensor? I can’t find any videos online. The engine is the m276 3.5L.
I replaced my magnet/tone wheel on my Benz and that involved unclipping two sensors and moving them out of the way. When I plugged everything back in, I have check engine code P2540. I checked everything twice and can’t seem to find the problem. Everything is plugged back in snug. I’ll include a picture of the area I was working on. Could somebody point out which of these sensors is the low pressure fuel system sensor? I can’t find any videos online. The engine is the m276 3.5L.
Low pressure fuel sensor is on the low pressure fuel filter. LEFT side of the rear seat service-hole.
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Right side picture, the one with blue fuel hose. Left side picture is the fuel pump, at right side service-hole.
2023 E 450 Sedan. 2018 GLC 300. 2013 E 350 Coupe (retired)
Not sure if this applies, but I have forgotten to disconnect the battery before replacing parts with electrical connections until reminded afterwards by strange fault codes.
Not sure if this applies, but I have forgotten to disconnect the battery before replacing parts with electrical connections until reminded afterwards by strange fault codes.
The battery was disconnected, and I’ve cleared the code but it keeps coming back. I don’t think I even unplugged the low pressure fuel system sensor as it is in another area if I’m not mistaken.
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